Messages in this thread Patch in this message | | | From | Huazhong Tan <> | Subject | [PATCH net-next 6/9] net: hns3: print out status register when VF receives unknown source interrupt | Date | Fri, 6 Mar 2020 10:57:15 +0800 |
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When received an unknown vector 0 interrupt, there is not a helpful information for user to realize that now. So this patch prints out the value of the status register for this case, and uses dev_info() instead of dev_dbg() in hclge_check_event_cause().
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> --- drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index d659720..f199a23 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -2002,7 +2002,10 @@ static enum hclgevf_evt_cause hclgevf_check_evt_cause(struct hclgevf_dev *hdev, return HCLGEVF_VECTOR0_EVENT_MBX; } - dev_dbg(&hdev->pdev->dev, "vector 0 interrupt from unknown source\n"); + /* print other vector0 event source */ + dev_info(&hdev->pdev->dev, + "vector 0 interrupt from unknown source, cmdq_src = %#x\n", + cmdq_stat_reg); return HCLGEVF_VECTOR0_EVENT_OTHER; } -- 2.7.4
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